Vktech 3 Ports USB 2.0 HUB Multi-card Reader for Sd/mmc/m2/ms Mp-all in One (Blue) Increase 3x USB ports Support Memory Card:MS/MS PRO DUO/SD/MMC/M2/Micro SD(TF) Supports USB 2.0 compatible USB 1.1, runs at 480Mbps It does not support CF/XD Card Powered by USB port, no external power needed